303222142 has 12 divisors (see below), whose sum is σ = 466202448. Its totient is φ = 147911600.

The previous prime is 303222131. The next prime is 303222167. The reversal of 303222142 is 241222303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41734 + ... + 48457.

It is an arithmetic number, because the mean of its divisors is an integer number (38850204).

Almost surely, 2^303222142 is an apocalyptic number.

303222142 is a deficient number, since it is larger than the sum of its proper divisors (162980306).

303222142 is an equidigital number, since it uses as much as digits as its factorization.

303222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90275 (or 90234 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 303222142 is about 17413.2748786666. The cubic root of 303222142 is about 671.8210960237.

Adding to 303222142 its reverse (241222303), we get a palindrome (544444445).

The spelling of 303222142 in words is "three hundred three million, two hundred twenty-two thousand, one hundred forty-two".